[Climate Wire] States could benefit from a “modular” approach to regional coordination on the Clean Power Plan that would allow them to trade credits for renewable energy, energy efficiency and re-dispatch to natural gas, according to a report commissioned by the Western Interstate Energy Board.

The study, from the consulting firm Cadmus, concludes that states having a hard time meeting their individual carbon-reduction goals could save money by buying credits from states that are better positioned, rather than investing directly in their own emissions-cutting measures…